Google Document: How to set page orientation from Portrait to Landscape mode?

Menu > File > Page setup > Landscape under Orientation section 

Google Internet Apps:
Google Document
Google Presentation
Google Spreadsheet
Google Form
Google Drawing
Connect more apps

Firefox: Manual Update

Steps are:
- Go to menu, click on Tools > Options > Advanced icon > Update tab
- Firefox updates: Never check for updates radio button
- Click OK button to close the Options frame
- To test, go to menu, click on Help > About Firefox. Then, click the button "Check for Updates"